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Japan and the United States have carried out a rare joint currency intervention to support the yen. Tokyo also kept the door open for more coordinated action if sharp market swings return.
Japan’s Ministry of Finance confirmed the operation on Monday after intervention took place on Friday, July 31. Officials said both countries acted to curb excessive volatility and disorderly movements in the yen.
Japan bought yen during Friday’s operation in coordination with the US Treasury. The action followed months of pressure on the currency, which recently traded near four-decade lows against the dollar.
The ministry linked the move to the Japan-US Finance Ministers’ Joint Statement issued in September 2025. That agreement allows intervention when exchange rates show excessive volatility or disorderly movement. It also calls for transparent reporting of currency operations.
Finance Minister Satsuki Katayama said Tokyo would keep close contact with Washington. She added, “We will not hesitate to carry out further coordinated interventions.”
The United States also signalled support for further action. Treasury Secretary Scott Bessent said Washington backed Japan’s measures and stood ready to join another operation. The coordinated action was the first involving both countries since 2011.
Meanwhile, the yen strengthened after Japan confirmed the intervention. It moved above 155 per dollar before giving back part of the gain. Traders continued to watch for more official buying. Markets now remain alert to further policy signals from both governments.
Japan also plans to use the Federal Reserve’s Foreign and International Monetary Authorities Repo Facility. The FIMA facility gives approved foreign monetary authorities access to short-term dollar funding.
Under the program, authorities can temporarily exchange US Treasury securities for dollars. This can provide liquidity without forcing them to sell Treasury holdings directly in the open market.
Japan’s ministry stated, “Japan plans to utilize the Federal Reserve’s FIMA Repo Facility in the future.” Tokyo can use the programme to manage dollar needs during market stress.
Additionally, the facility may support future intervention operations when authorities need dollar liquidity. However, access depends on the amount of eligible Treasury securities pledged as collateral.
The ministry said it would maintain regular communication with the US Treasury. Officials will also keep monitoring foreign exchange conditions and respond to disorderly moves.
The intervention comes as Japan faces weaker growth and higher import costs. A soft yen raises the local cost of crude oil, food, and other imports.
Japan recently cut its fiscal 2026 growth forecast to 0.9% from 1.3%. The government cited higher energy costs linked to Middle East tensions and pressure on household spending and company earnings.
Moreover, the government lowered its private consumption forecast to 0.9% from 1.3%. It also reduced its capital spending growth estimate to 2.3% from 2.8%.
Japan depends heavily on imported energy. Therefore, high oil prices and a weak currency can raise costs across transport, manufacturing, and household budgets.
The Bank of Japan also faces close market attention. It kept its policy rate unchanged at 1% last week but left room for another increase.
However, currency intervention and interest-rate policy serve different roles. The finance ministry manages exchange-rate operations, while the central bank sets monetary policy.
